Home / 3,580,679.52-4,941,400.77-1,949,133.78

Finding the Fourth Proportional to 3,580,679.52, 4,941,400.77 and 1,949,133.78

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Solution

The fourth proportional to 3,580,679.52, 4,941,400.77 and 1,949,133.78 is: 2,689,838.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580,679.52 : 4,941,400.77 = 1,949,133.78 : x
  2. Step 2: Convert to fraction form
    3,580,679.52/4,941,400.77 = 1,949,133.78/x
  3. Step 3: Cross multiply
    3,580,679.52x = 4,941,400.77 × 1,949,133.78
  4. Step 4: Simplify right side
    3,580,679.52x = 9,631,451,161,325.01
  5. Step 5: Solve for x
    x = 9,631,451,161,325.01/3,580,679.52
  6. Step 6: Final answer
    x = 2,689,838.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.